Finding the Fourth Proportional to 10,237.86, 15,356.82 and 2,842.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,237.86 : 15,356.82 = 2,842.72 : x
2. Step 2: Convert to fraction form
   10,237.86/15,356.82 = 2,842.72/x
3. Step 3: Cross multiply
   10,237.86x = 15,356.82 × 2,842.72
4. Step 4: Simplify right side
   10,237.86x = 43,655,139.35
5. Step 5: Solve for x
   x = 43,655,139.35/10,237.86
6. Step 6: Final answer
   x = 4,264.09